.justify-content-center{
	justify-content: center !important;
	display: flex;
	flex-wrap: wrap;
	/* margin-right: -0.75rem;
	margin-left: -0.75rem; */
}

.card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-width: 0;
    word-wrap: break-word;
    background-color: #fff;
    background-clip: border-box;
    border: 1px solid rgba(0, 0, 0, 0.125);
    border-radius: 5px;
    width: 100%;

	_border-top: 0px;
}

.center50{
	width: 50%;
    margin: 0 auto;
}

.panel-body{min-height: 800px;}
/* ====== style id */
.form-group {
    margin-bottom: 1.5rem;
}

.input-group-prepend, .input-group-append {
    display: flex;
}

.input-group-prepend {
    margin-right: -1px;
}

.input-group {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    width: 100%;
}

.input-group-text {
    display: flex;
    align-items: center;
    padding: 0.375rem 0.75rem;
    margin-bottom: 0;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: #495057;
    text-align: center;
    white-space: nowrap;
    background-color: #e9ecef;
    border: 1px solid #ced4da;
    border-radius: 0.25rem;
}

.pr-2, .px-2 {
    padding-right: 0.5rem !important;
}
.pl-2, .px-2 {
    padding-left: 0.5rem !important;
}

.input-group > .input-group-prepend > .btn, .input-group > .input-group-prepend > .input-group-text, .input-group > .input-group-append:not(:last-child) > .btn, .input-group > .input-group-append:not(:last-child) > .input-group-text, .input-group > .input-group-append:last-child > .btn:not(:last-child):not(.dropdown-toggle), .input-group > .input-group-append:last-child > .input-group-text:not(:last-child) {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.input-group > .form-control, .input-group > .form-control-plaintext, .input-group > .custom-select, .input-group > .custom-file {
    position: relative;
    flex: 1 1 auto;
    width: 1%;
    min-width: 0;
    margin-bottom: 0;
}

.input-group-text em{font-size:14px;}

.form-control {
    display: block;
    width: 100%;
    height: calc(1.5em + 1.75rem + 2px);
    padding: 0.375rem 0.75rem;
    font-weight: 400;
    line-height: 1.5;
    color: #495057;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid #ced4da;
    border-radius: 0.25rem;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}